The characters related to ascomycetes are

Options

A. separate branched mycelium
B. mitospores produced exogenously in chains
C. 4-8 ascospores inside a sac like ascus
D. all of the above.

Answer

To answer the question regarding the characters related to Ascomycetes, we can break down the characteristics step by step:

### Step-by-Step Solution:

1. **Understanding Ascomycetes**:
- Ascomycetes, also known as sac fungi, are a group of fungi characterized by the formation of ascospores in a sac-like structure called an ascus.

2. **Mycelium Structure**:
- Ascomycetes have a mycelium that is branched. This branching allows for a larger surface area for nutrient absorption and is a common characteristic of this group.

3. **Mitospores Production**:
- In Ascomycetes, mitospores (asexual spores) are produced isogenously, meaning they are formed by mitosis and can be found in chains. This is a typical feature of their reproductive strategy.

4. **Ascospore Formation**:
- Ascomycetes produce 4 to 8 ascospores within each ascus. This is a defining characteristic of this group, as the ascospores are essential for sexual reproduction.

5. **Evaluating the Options**:
- Given the options:
- Separate branched mycelium
- Mitospores produced isogenously in chains
- 4 to 8 ascospores inside a saccular ascus
- All of the above
- Since all the listed characteristics are true for Ascomycetes, the correct answer would be "All of the above."

### Final Answer:
The characters related to Ascomycetes include:
- Separate branched mycelium
- Mitospores produced isogenously in chains
- 4 to 8 ascospores inside a saccular ascus
Thus, the correct answer is **"All of the above."**

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